So it's looking like my playgroup is ready to plumb the depths of ACKs once more in a short time. This time, everyone has agreed that we'll start at adventurer tier, levels 4-6. Unfortunately I don't have quite as much material that high level. Sure, I'll pepper the sandbox with things of all levels, but I'd like the rumors they go digging for to have a slightly higher rate of things in their range, or at least higher than 1st/2nd level.
So, if anyone has recommendations for modules or adventures or what-have you that are vaguely compatible and roughly in the levels 4-6 range, I'd appreciate them. Acknowledging that I don't believe anyone has made such a high leveled actual ACKs product (I would think I'd have heard about that!), I'm looking to pilfer first from vaguely compatible systems: B/X, Swords & Wizardry, Labyrinth Lord, Lamentations of the Flame Princess, Dungeon Crawl Classics, etc. If something is systemless, like a particular one page dungeon, it's fine as long as it's vaguely medieval fantasy. Beyond that, I'm open to less compatible rulesets if you think it's a good fit to plop into a sandbox and wait for it to lure in the player party.
All recommendations are greatly appreciated, thanks in advance!
I1 Dwellers of the Forbidden City (the origin of the aboleth, mongrel-man, tasloi, and yuan-ti)
X1 Isle of Dread
X2 Castle Amber
X9 The Savage Coast Evil Tide/Night of the Shark/Sea of Blood (the Sahuagin trilogy)
The Thracians in the module refer to the humans of course, but they had an Ancient Mesopotamian vibe and were preceded by lizard-men. I named my own lizard-men Thrassians in their honor.
Bryce Lynch (TenFootPole.org) has a blog post with a list of awesome new OSR adventures on it (including URLs). Not really organised by level or anything, but lots of fascinating things in there.
I also like Dyson's Delve, although it's for character levels 1-6, so YMMV. For levels 4-6, he has about 7 or 8 other adventures that fall in the right level range, though I don't think I've played any of them.
I love tenfootpole for reviews, it's how I discovered deep carbon observatory. If he had some way to filter by level I probably would have gone straight there because his values in what makes a good dungeon are very similar to mine, with me being slightly less into gonzo.
Dyson's Delves I and II are great. He does a good job of creating adventures that feel like they cover all the bases in what you'd want from a standard adventure. I think ultimately I'll have to get brave and start filling out the many blank maps on my own.